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widl: Use error_loc instead of yyerror.
[wine/testsucceed.git] / tools / widl / parser.y
blob11ddd45baf1e9b554d0f871ccc3ab5f9a0d6253d
1 %{
2 /*
3 * IDL Compiler
4 *
5 * Copyright 2002 Ove Kaaven
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <stdarg.h>
27 #include <assert.h>
28 #include <ctype.h>
29 #include <string.h>
30 #ifdef HAVE_ALLOCA_H
31 #include <alloca.h>
32 #endif
33
34 #include "windef.h"
35
36 #include "widl.h"
37 #include "utils.h"
38 #include "parser.h"
39 #include "header.h"
40 #include "typelib.h"
41 #include "typegen.h"
42
43 #if defined(YYBYACC)
44 /* Berkeley yacc (byacc) doesn't seem to know about these */
45 /* Some *BSD supplied versions do define these though */
46 # ifndef YYEMPTY
47 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
48 # endif
49 # ifndef YYLEX
50 # define YYLEX yylex()
51 # endif
52
53 #elif defined(YYBISON)
54 /* Bison was used for original development */
55 /* #define YYEMPTY -2 */
56 /* #define YYLEX yylex() */
57
58 #else
59 /* No yacc we know yet */
60 # if !defined(YYEMPTY) || !defined(YYLEX)
61 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
62 # elif defined(__GNUC__) /* gcc defines the #warning directive */
63 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
64 /* #else we just take a chance that it works... */
65 # endif
66 #endif
67
68 unsigned char pointer_default = RPC_FC_UP;
69
70 typedef struct list typelist_t;
71 struct typenode {
72 type_t *type;
73 struct list entry;
74 };
75
76 typelist_t incomplete_types = LIST_INIT(incomplete_types);
77
78 static void add_incomplete(type_t *t);
79 static void fix_incomplete(void);
80
81 static str_list_t *append_str(str_list_t *list, char *str);
82 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
83 static attr_t *make_attr(enum attr_type type);
84 static attr_t *make_attrv(enum attr_type type, unsigned long val);
85 static attr_t *make_attrp(enum attr_type type, void *val);
86 static expr_t *make_expr(enum expr_type type);
87 static expr_t *make_exprl(enum expr_type type, long val);
88 static expr_t *make_exprd(enum expr_type type, double val);
89 static expr_t *make_exprs(enum expr_type type, char *val);
90 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr);
91 static expr_t *make_expr1(enum expr_type type, expr_t *expr);
92 static expr_t *make_expr2(enum expr_type type, expr_t *exp1, expr_t *exp2);
93 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3);
94 static type_t *make_type(unsigned char type, type_t *ref);
95 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
96 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
97 static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr, int top);
98 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
99 static ifref_t *make_ifref(type_t *iface);
100 static var_list_t *append_var(var_list_t *list, var_t *var);
101 static var_t *make_var(char *name);
102 static pident_list_t *append_pident(pident_list_t *list, pident_t *p);
103 static pident_t *make_pident(var_t *var);
104 static func_list_t *append_func(func_list_t *list, func_t *func);
105 static func_t *make_func(var_t *def, var_list_t *args);
106 static type_t *make_class(char *name);
107 static type_t *make_safearray(type_t *type);
108 static type_t *make_builtin(char *name);
109 static type_t *make_int(int sign);
110
111 static type_t *reg_type(type_t *type, const char *name, int t);
112 static type_t *reg_typedefs(type_t *type, var_list_t *names, attr_list_t *attrs);
113 static type_t *find_type(const char *name, int t);
114 static type_t *find_type2(char *name, int t);
115 static type_t *get_type(unsigned char type, char *name, int t);
116 static type_t *get_typev(unsigned char type, var_t *name, int t);
117 static int get_struct_type(var_list_t *fields);
118
119 static var_t *reg_const(var_t *var);
120 static var_t *find_const(char *name, int f);
121
122 static void write_libid(const char *name, const attr_list_t *attr);
123 static void write_clsid(type_t *cls);
124 static void write_diid(type_t *iface);
125 static void write_iid(type_t *iface);
126
127 static int compute_method_indexes(type_t *iface);
128 static char *gen_name(void);
129 static void process_typedefs(var_list_t *names);
130 static void check_arg(var_t *arg);
131 static void check_all_user_types(ifref_list_t *ifaces);
132
133 #define tsENUM 1
134 #define tsSTRUCT 2
135 #define tsUNION 3
136
137 %}
138 %union {
139 attr_t *attr;
140 attr_list_t *attr_list;
141 str_list_t *str_list;
142 expr_t *expr;
143 expr_list_t *expr_list;
144 array_dims_t *array_dims;
145 type_t *type;
146 var_t *var;
147 var_list_t *var_list;
148 pident_t *pident;
149 pident_list_t *pident_list;
150 func_t *func;
151 func_list_t *func_list;
152 ifref_t *ifref;
153 ifref_list_t *ifref_list;
154 char *str;
155 UUID *uuid;
156 unsigned int num;
157 double dbl;
158 interface_info_t ifinfo;
159 }
160
161 %token <str> aIDENTIFIER
162 %token <str> aKNOWNTYPE
163 %token <num> aNUM aHEXNUM
164 %token <dbl> aDOUBLE
165 %token <str> aSTRING
166 %token <uuid> aUUID
167 %token aEOF
168 %token SHL SHR
169 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
170 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
171 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
172 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
173 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
174 %token tDEFAULT
175 %token tDEFAULTCOLLELEM
176 %token tDEFAULTVALUE
177 %token tDEFAULTVTABLE
178 %token tDISPLAYBIND
179 %token tDISPINTERFACE
180 %token tDLLNAME tDOUBLE tDUAL
181 %token tENDPOINT
182 %token tENTRY tENUM tERRORSTATUST
183 %token tEXPLICITHANDLE tEXTERN
184 %token tFALSE
185 %token tFLOAT
186 %token tHANDLE
187 %token tHANDLET
188 %token tHELPCONTEXT tHELPFILE
189 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
190 %token tHIDDEN
191 %token tHYPER tID tIDEMPOTENT
192 %token tIIDIS
193 %token tIMMEDIATEBIND
194 %token tIMPLICITHANDLE
195 %token tIMPORT tIMPORTLIB
196 %token tIN tINLINE
197 %token tINPUTSYNC
198 %token tINT tINT64
199 %token tINTERFACE
200 %token tLCID
201 %token tLENGTHIS tLIBRARY
202 %token tLOCAL
203 %token tLONG
204 %token tMETHODS
205 %token tMODULE
206 %token tNONBROWSABLE
207 %token tNONCREATABLE
208 %token tNONEXTENSIBLE
209 %token tOBJECT tODL tOLEAUTOMATION
210 %token tOPTIONAL
211 %token tOUT
212 %token tPOINTERDEFAULT
213 %token tPROPERTIES
214 %token tPROPGET tPROPPUT tPROPPUTREF
215 %token tPTR
216 %token tPUBLIC
217 %token tRANGE
218 %token tREADONLY tREF
219 %token tREQUESTEDIT
220 %token tRESTRICTED
221 %token tRETVAL
222 %token tSAFEARRAY
223 %token tSHORT
224 %token tSIGNED
225 %token tSINGLE
226 %token tSIZEIS tSIZEOF
227 %token tSMALL
228 %token tSOURCE
229 %token tSTDCALL
230 %token tSTRING tSTRUCT
231 %token tSWITCH tSWITCHIS tSWITCHTYPE
232 %token tTRANSMITAS
233 %token tTRUE
234 %token tTYPEDEF
235 %token tUNION
236 %token tUNIQUE
237 %token tUNSIGNED
238 %token tUUID
239 %token tV1ENUM
240 %token tVARARG
241 %token tVERSION
242 %token tVOID
243 %token tWCHAR tWIREMARSHAL
244
245 %type <attr> attribute
246 %type <attr_list> m_attributes attributes attrib_list
247 %type <str_list> str_list
248 %type <expr> m_expr expr expr_const
249 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_const
250 %type <array_dims> array array_list
251 %type <ifinfo> interfacehdr
252 %type <type> inherit interface interfacedef interfacedec
253 %type <type> dispinterface dispinterfacehdr dispinterfacedef
254 %type <type> module modulehdr moduledef
255 %type <type> base_type int_std
256 %type <type> enumdef structdef uniondef
257 %type <type> type
258 %type <ifref> coclass_int
259 %type <ifref_list> gbl_statements coclass_ints
260 %type <var> arg field s_field case enum constdef externdef
261 %type <var_list> m_args no_args args fields cases enums enum_list dispint_props
262 %type <var> m_ident t_ident ident
263 %type <pident> p_ident pident
264 %type <pident_list> pident_list
265 %type <func> funcdef
266 %type <func_list> int_statements dispint_meths
267 %type <type> coclass coclasshdr coclassdef
268 %type <num> pointer_type version
269 %type <str> libraryhdr
270 %type <uuid> uuid_string
271
272 %left ','
273 %right '?' ':'
274 %left '|'
275 %left '&'
276 %left '-' '+'
277 %left '*' '/'
278 %left SHL SHR
279 %right '~'
280 %right CAST
281 %right PPTR
282 %right NEG
283
284 %%
285
286 input: gbl_statements { fix_incomplete();
287 check_all_user_types($1);
288 write_proxies($1);
289 write_client($1);
290 write_server($1);
291 write_dlldata($1);
292 }
293 ;
294
295 gbl_statements: { $$ = NULL; }
296 | gbl_statements interfacedec { $$ = $1; }
297 | gbl_statements interfacedef { $$ = append_ifref( $1, make_ifref($2) ); }
298 | gbl_statements coclass ';' { $$ = $1;
299 reg_type($2, $2->name, 0);
300 if (!parse_only && do_header) write_coclass_forward($2);
301 }
302 | gbl_statements coclassdef { $$ = $1;
303 add_typelib_entry($2);
304 reg_type($2, $2->name, 0);
305 if (!parse_only && do_header) write_coclass_forward($2);
306 }
307 | gbl_statements moduledef { $$ = $1; add_typelib_entry($2); }
308 | gbl_statements librarydef { $$ = $1; }
309 | gbl_statements statement { $$ = $1; }
310 ;
311
312 imp_statements: {}
313 | imp_statements interfacedec { if (!parse_only) add_typelib_entry($2); }
314 | imp_statements interfacedef { if (!parse_only) add_typelib_entry($2); }
315 | imp_statements coclass ';' { reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
316 | imp_statements coclassdef { if (!parse_only) add_typelib_entry($2);
317 reg_type($2, $2->name, 0);
318 if (!parse_only && do_header) write_coclass_forward($2);
319 }
320 | imp_statements moduledef { if (!parse_only) add_typelib_entry($2); }
321 | imp_statements statement {}
322 | imp_statements importlib {}
323 ;
324
325 int_statements: { $$ = NULL; }
326 | int_statements funcdef ';' { $$ = append_func( $1, $2 ); }
327 | int_statements statement { $$ = $1; }
328 ;
329
330 statement: ';' {}
331 | constdef ';' { if (!parse_only && do_header) { write_constdef($1); } }
332 | cppquote {}
333 | enumdef ';' { if (!parse_only && do_header) {
334 write_type_def_or_decl(header, $1, FALSE, NULL);
335 fprintf(header, ";\n\n");
336 }
337 }
338 | externdef ';' { if (!parse_only && do_header) { write_externdef($1); } }
339 | import {}
340 | structdef ';' { if (!parse_only && do_header) {
341 write_type_def_or_decl(header, $1, FALSE, NULL);
342 fprintf(header, ";\n\n");
343 }
344 }
345 | typedef ';' {}
346 | uniondef ';' { if (!parse_only && do_header) {
347 write_type_def_or_decl(header, $1, FALSE, NULL);
348 fprintf(header, ";\n\n");
349 }
350 }
351 ;
352
353 cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
354 ;
355 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
356 if (!do_import($2)) yychar = aEOF; }
357 ;
358 import: import_start imp_statements aEOF {}
359 ;
360
361 importlib: tIMPORTLIB '(' aSTRING ')' { if(!parse_only) add_importlib($3); }
362 ;
363
364 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
365 ;
366 library_start: attributes libraryhdr '{' { start_typelib($2, $1);
367 if (!parse_only && do_header) write_library($2, $1);
368 if (!parse_only && do_idfile) write_libid($2, $1);
369 }
370 ;
371 librarydef: library_start imp_statements '}' { end_typelib(); }
372 ;
373
374 m_args: { $$ = NULL; }
375 | args
376 ;
377
378 no_args: tVOID { $$ = NULL; }
379 ;
380
381 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
382 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
383 | no_args
384 ;
385
386 /* split into two rules to get bison to resolve a tVOID conflict */
387 arg: attributes type pident array { $$ = $3->var;
388 $$->attrs = $1;
389 set_type($$, $2, $3->ptr_level, $4, TRUE);
390 free($3);
391 }
392 | type pident array { $$ = $2->var;
393 set_type($$, $1, $2->ptr_level, $3, TRUE);
394 free($2);
395 }
396 | attributes type pident '(' m_args ')' { $$ = $3->var;
397 $$->attrs = $1;
398 set_type($$, $2, $3->ptr_level - 1, NULL, TRUE);
399 free($3);
400 $$->args = $5;
401 }
402 | type pident '(' m_args ')' { $$ = $2->var;
403 set_type($$, $1, $2->ptr_level - 1, NULL, TRUE);
404 free($2);
405 $$->args = $4;
406 }
407 ;
408
409 array: { $$ = NULL; }
410 | '[' array_list ']' { $$ = $2; }
411 | '[' '*' ']' { $$ = append_array( NULL, make_expr(EXPR_VOID) ); }
412 ;
413
414 array_list: m_expr /* size of first dimension is optional */ { $$ = append_array( NULL, $1 ); }
415 | array_list ',' expr { $$ = append_array( $1, $3 ); }
416 | array_list ']' '[' expr { $$ = append_array( $1, $4 ); }
417 ;
418
419 m_attributes: { $$ = NULL; }
420 | attributes
421 ;
422
423 attributes:
424 '[' attrib_list ']' { $$ = $2;
425 if (!$$)
426 error_loc("empty attribute lists unsupported\n");
427 }
428 ;
429
430 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
431 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
432 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
433 ;
434
435 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
436 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
437 ;
438
439 attribute: { $$ = NULL; }
440 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
441 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
442 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
443 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
444 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
445 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
446 | tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
447 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
448 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
449 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
450 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
451 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
452 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
453 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); }
454 | tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); }
455 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
456 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
457 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
458 | tDUAL { $$ = make_attr(ATTR_DUAL); }
459 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
460 | tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); }
461 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); }
462 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
463 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
464 | tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
465 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
466 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
467 | tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
468 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
469 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
470 | tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); }
471 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
472 | tIIDIS '(' ident ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
473 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
474 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
475 | tIN { $$ = make_attr(ATTR_IN); }
476 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
477 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
478 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
479 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
480 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
481 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
482 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
483 | tODL { $$ = make_attr(ATTR_ODL); }
484 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
485 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
486 | tOUT { $$ = make_attr(ATTR_OUT); }
487 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
488 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
489 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
490 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
491 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
492 | tRANGE '(' expr_const ',' expr_const ')' { expr_list_t *list = append_expr( NULL, $3 );
493 list = append_expr( list, $5 );
494 $$ = make_attrp(ATTR_RANGE, list); }
495 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
496 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
497 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
498 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
499 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
500 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
501 | tSTRING { $$ = make_attr(ATTR_STRING); }
502 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
503 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
504 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
505 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
506 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
507 | tVARARG { $$ = make_attr(ATTR_VARARG); }
508 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
509 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
510 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
511 ;
512
513 uuid_string:
514 aUUID
515 | aSTRING { if (!is_valid_uuid($1))
516 error_loc("invalid UUID: %s\n", $1);
517 $$ = parse_uuid($1); }
518 ;
519
520 callconv:
521 | tSTDCALL
522 ;
523
524 cases: { $$ = NULL; }
525 | cases case { $$ = append_var( $1, $2 ); }
526 ;
527
528 case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
529 $$ = $4; if (!$$) $$ = make_var(NULL);
530 $$->attrs = append_attr( $$->attrs, a );
531 }
532 | tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT);
533 $$ = $3; if (!$$) $$ = make_var(NULL);
534 $$->attrs = append_attr( $$->attrs, a );
535 }
536 ;
537
538 constdef: tCONST type ident '=' expr_const { $$ = reg_const($3);
539 set_type($$, $2, 0, NULL, FALSE);
540 $$->eval = $5;
541 }
542 ;
543
544 enums: { $$ = NULL; }
545 | enum_list ',' { $$ = $1; }
546 | enum_list
547 ;
548
549 enum_list: enum { if (!$1->eval)
550 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
551 $$ = append_var( NULL, $1 );
552 }
553 | enum_list ',' enum { if (!$3->eval)
554 {
555 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
556 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
557 }
558 $$ = append_var( $1, $3 );
559 }
560 ;
561
562 enum: ident '=' expr_const { $$ = reg_const($1);
563 $$->eval = $3;
564 $$->type = make_int(0);
565 }
566 | ident { $$ = reg_const($1);
567 $$->type = make_int(0);
568 }
569 ;
570
571 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
572 $$->kind = TKIND_ENUM;
573 $$->fields = $4;
574 $$->defined = TRUE;
575 if(in_typelib)
576 add_typelib_entry($$);
577 }
578 ;
579
580 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
581 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
582 ;
583
584 /*
585 exprs: { $$ = make_expr(EXPR_VOID); }
586 | expr_list
587 ;
588
589 expr_list: expr
590 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
591 ;
592 */
593
594 m_expr: { $$ = make_expr(EXPR_VOID); }
595 | expr
596 ;
597
598 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
599 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
600 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
601 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
602 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
603 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
604 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
605 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
606 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
607 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
608 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
609 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
610 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
611 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
612 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
613 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
614 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
615 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
616 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
617 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
618 | '(' expr ')' { $$ = $2; }
619 ;
620
621 expr_list_const: expr_const { $$ = append_expr( NULL, $1 ); }
622 | expr_list_const ',' expr_const { $$ = append_expr( $1, $3 ); }
623 ;
624
625 expr_const: expr { $$ = $1;
626 if (!$$->is_const)
627 error_loc("expression is not constant\n");
628 }
629 ;
630
631 externdef: tEXTERN tCONST type ident { $$ = $4;
632 set_type($$, $3, 0, NULL, FALSE);
633 }
634 ;
635
636 fields: { $$ = NULL; }
637 | fields field { $$ = append_var( $1, $2 ); }
638 ;
639
640 field: s_field ';' { $$ = $1; }
641 | m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
642 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
643 | ';' { $$ = NULL; }
644 ;
645
646 s_field: m_attributes type pident array { $$ = $3->var;
647 $$->attrs = $1;
648 set_type($$, $2, $3->ptr_level, $4, FALSE);
649 free($3);
650 }
651 ;
652
653 funcdef:
654 m_attributes type callconv pident
655 '(' m_args ')' { var_t *v = $4->var;
656 v->attrs = $1;
657 set_type(v, $2, $4->ptr_level, NULL, FALSE);
658 free($4);
659 $$ = make_func(v, $6);
660 if (is_attr(v->attrs, ATTR_IN)) {
661 error_loc("inapplicable attribute [in] for function '%s'\n",$$->def->name);
662 }
663 }
664 ;
665
666 m_ident: { $$ = NULL; }
667 | ident
668 ;
669
670 t_ident: { $$ = NULL; }
671 | aIDENTIFIER { $$ = make_var($1); }
672 | aKNOWNTYPE { $$ = make_var($1); }
673 ;
674
675 ident: aIDENTIFIER { $$ = make_var($1); }
676 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
677 | aKNOWNTYPE { $$ = make_var($<str>1); }
678 ;
679
680 base_type: tBYTE { $$ = make_builtin($<str>1); }
681 | tWCHAR { $$ = make_builtin($<str>1); }
682 | int_std
683 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
684 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
685 switch ($$->type) {
686 case RPC_FC_CHAR: break;
687 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
688 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
689 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
690 case RPC_FC_HYPER:
691 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
692 {
693 $$ = alias($$, "MIDL_uhyper");
694 $$->sign = 0;
695 }
696 break;
697 default: break;
698 }
699 }
700 | tUNSIGNED { $$ = make_int(-1); }
701 | tFLOAT { $$ = make_builtin($<str>1); }
702 | tSINGLE { $$ = duptype(find_type("float", 0), 1); }
703 | tDOUBLE { $$ = make_builtin($<str>1); }
704 | tBOOLEAN { $$ = make_builtin($<str>1); }
705 | tERRORSTATUST { $$ = make_builtin($<str>1); }
706 | tHANDLET { $$ = make_builtin($<str>1); }
707 ;
708
709 m_int:
710 | tINT
711 ;
712
713 int_std: tINT { $$ = make_builtin($<str>1); }
714 | tSHORT m_int { $$ = make_builtin($<str>1); }
715 | tSMALL { $$ = make_builtin($<str>1); }
716 | tLONG m_int { $$ = make_builtin($<str>1); }
717 | tHYPER m_int { $$ = make_builtin($<str>1); }
718 | tINT64 { $$ = make_builtin($<str>1); }
719 | tCHAR { $$ = make_builtin($<str>1); }
720 ;
721
722 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
723 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
724 if ($$->defined) error_loc("multiple definition error\n");
725 if ($$->kind != TKIND_COCLASS) error_loc("%s was not declared a coclass\n", $2);
726 }
727 ;
728
729 coclasshdr: attributes coclass { $$ = $2;
730 $$->attrs = $1;
731 if (!parse_only && do_header)
732 write_coclass($$);
733 if (!parse_only && do_idfile)
734 write_clsid($$);
735 }
736 ;
737
738 coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1;
739 $$->ifaces = $3;
740 $$->defined = TRUE;
741 }
742 ;
743
744 coclass_ints: { $$ = NULL; }
745 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
746 ;
747
748 coclass_int:
749 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
750 ;
751
752 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
753 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
754 ;
755
756 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
757 $$ = $2;
758 if ($$->defined) error_loc("multiple definition error\n");
759 attrs = make_attr(ATTR_DISPINTERFACE);
760 $$->attrs = append_attr( $1, attrs );
761 $$->ref = find_type("IDispatch", 0);
762 if (!$$->ref) error_loc("IDispatch is undefined\n");
763 $$->defined = TRUE;
764 if (!parse_only && do_header) write_forward($$);
765 }
766 ;
767
768 dispint_props: tPROPERTIES ':' { $$ = NULL; }
769 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
770 ;
771
772 dispint_meths: tMETHODS ':' { $$ = NULL; }
773 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
774 ;
775
776 dispinterfacedef: dispinterfacehdr '{'
777 dispint_props
778 dispint_meths
779 '}' { $$ = $1;
780 $$->fields = $3;
781 $$->funcs = $4;
782 if (!parse_only && do_header) write_dispinterface($$);
783 if (!parse_only && do_idfile) write_diid($$);
784 }
785 | dispinterfacehdr
786 '{' interface ';' '}' { $$ = $1;
787 $$->fields = $3->fields;
788 $$->funcs = $3->funcs;
789 if (!parse_only && do_header) write_dispinterface($$);
790 if (!parse_only && do_idfile) write_diid($$);
791 }
792 ;
793
794 inherit: { $$ = NULL; }
795 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
796 ;
797
798 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
799 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
800 ;
801
802 interfacehdr: attributes interface { $$.interface = $2;
803 $$.old_pointer_default = pointer_default;
804 if (is_attr($1, ATTR_POINTERDEFAULT))
805 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
806 if ($2->defined) error_loc("multiple definition error\n");
807 $2->attrs = $1;
808 $2->defined = TRUE;
809 if (!parse_only && do_header) write_forward($2);
810 }
811 ;
812
813 interfacedef: interfacehdr inherit
814 '{' int_statements '}' { $$ = $1.interface;
815 $$->ref = $2;
816 $$->funcs = $4;
817 compute_method_indexes($$);
818 if (!parse_only && do_header) write_interface($$);
819 if (!parse_only && do_idfile) write_iid($$);
820 pointer_default = $1.old_pointer_default;
821 }
822 /* MIDL is able to import the definition of a base class from inside the
823 * definition of a derived class, I'll try to support it with this rule */
824 | interfacehdr ':' aIDENTIFIER
825 '{' import int_statements '}' { $$ = $1.interface;
826 $$->ref = find_type2($3, 0);
827 if (!$$->ref) error_loc("base class '%s' not found in import\n", $3);
828 $$->funcs = $6;
829 compute_method_indexes($$);
830 if (!parse_only && do_header) write_interface($$);
831 if (!parse_only && do_idfile) write_iid($$);
832 pointer_default = $1.old_pointer_default;
833 }
834 | dispinterfacedef { $$ = $1; }
835 ;
836
837 interfacedec:
838 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
839 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
840 ;
841
842 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
843 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
844 ;
845
846 modulehdr: attributes module { $$ = $2;
847 $$->attrs = $1;
848 }
849 ;
850
851 moduledef: modulehdr '{' int_statements '}' { $$ = $1;
852 $$->funcs = $3;
853 /* FIXME: if (!parse_only && do_header) write_module($$); */
854 }
855 ;
856
857 p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
858 | tCONST p_ident { $$ = $2; /* FIXME */ }
859 ;
860
861 pident: ident { $$ = make_pident($1); }
862 | p_ident
863 | '(' pident ')' { $$ = $2; }
864 ;
865
866 pident_list:
867 pident { $$ = append_pident( NULL, $1 ); }
868 | pident_list ',' pident { $$ = append_pident( $1, $3 ); }
869 ;
870
871 pointer_type:
872 tREF { $$ = RPC_FC_RP; }
873 | tUNIQUE { $$ = RPC_FC_UP; }
874 | tPTR { $$ = RPC_FC_FP; }
875 ;
876
877 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
878 /* overwrite RPC_FC_STRUCT with a more exact type */
879 $$->type = get_struct_type( $4 );
880 $$->kind = TKIND_RECORD;
881 $$->fields = $4;
882 $$->defined = TRUE;
883 if(in_typelib)
884 add_typelib_entry($$);
885 }
886 ;
887
888 type: tVOID { $$ = duptype(find_type("void", 0), 1); }
889 | aKNOWNTYPE { $$ = find_type($1, 0); }
890 | base_type { $$ = $1; }
891 | tCONST type { $$ = duptype($2, 1); $$->is_const = TRUE; }
892 | enumdef { $$ = $1; }
893 | tENUM aIDENTIFIER { $$ = find_type2($2, tsENUM); }
894 | structdef { $$ = $1; }
895 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
896 | uniondef { $$ = $1; }
897 | tUNION aIDENTIFIER { $$ = find_type2($2, tsUNION); }
898 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
899 ;
900
901 typedef: tTYPEDEF m_attributes type pident_list { reg_typedefs($3, $4, $2);
902 process_typedefs($4);
903 }
904 ;
905
906 uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
907 $$->kind = TKIND_UNION;
908 $$->fields = $4;
909 $$->defined = TRUE;
910 }
911 | tUNION t_ident
912 tSWITCH '(' s_field ')'
913 m_ident '{' cases '}' { var_t *u = $7;
914 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
915 $$->kind = TKIND_UNION;
916 if (!u) u = make_var( xstrdup("tagged_union") );
917 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
918 u->type->kind = TKIND_UNION;
919 u->type->fields = $9;
920 u->type->defined = TRUE;
921 $$->fields = append_var( $$->fields, $5 );
922 $$->fields = append_var( $$->fields, u );
923 $$->defined = TRUE;
924 }
925 ;
926
927 version:
928 aNUM { $$ = MAKELONG($1, 0); }
929 | aNUM '.' aNUM { $$ = MAKELONG($1, $3); }
930 ;
931
932 %%
933
934 static void decl_builtin(const char *name, unsigned char type)
935 {
936 type_t *t = make_type(type, NULL);
937 t->name = xstrdup(name);
938 reg_type(t, name, 0);
939 }
940
941 static type_t *make_builtin(char *name)
942 {
943 /* NAME is strdup'd in the lexer */
944 type_t *t = duptype(find_type(name, 0), 0);
945 t->name = name;
946 return t;
947 }
948
949 static type_t *make_int(int sign)
950 {
951 type_t *t = duptype(find_type("int", 0), 1);
952
953 t->sign = sign;
954 if (sign < 0)
955 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
956
957 return t;
958 }
959
960 void init_types(void)
961 {
962 decl_builtin("void", 0);
963 decl_builtin("byte", RPC_FC_BYTE);
964 decl_builtin("wchar_t", RPC_FC_WCHAR);
965 decl_builtin("int", RPC_FC_LONG); /* win32 */
966 decl_builtin("short", RPC_FC_SHORT);
967 decl_builtin("small", RPC_FC_SMALL);
968 decl_builtin("long", RPC_FC_LONG);
969 decl_builtin("hyper", RPC_FC_HYPER);
970 decl_builtin("__int64", RPC_FC_HYPER);
971 decl_builtin("char", RPC_FC_CHAR);
972 decl_builtin("float", RPC_FC_FLOAT);
973 decl_builtin("double", RPC_FC_DOUBLE);
974 decl_builtin("boolean", RPC_FC_BYTE);
975 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
976 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
977 }
978
979 static str_list_t *append_str(str_list_t *list, char *str)
980 {
981 struct str_list_entry_t *entry;
982
983 if (!str) return list;
984 if (!list)
985 {
986 list = xmalloc( sizeof(*list) );
987 list_init( list );
988 }
989 entry = xmalloc( sizeof(*entry) );
990 entry->str = str;
991 list_add_tail( list, &entry->entry );
992 return list;
993 }
994
995 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
996 {
997 if (!attr) return list;
998 if (!list)
999 {
1000 list = xmalloc( sizeof(*list) );
1001 list_init( list );
1002 }
1003 list_add_tail( list, &attr->entry );
1004 return list;
1005 }
1006
1007 static attr_t *make_attr(enum attr_type type)
1008 {
1009 attr_t *a = xmalloc(sizeof(attr_t));
1010 a->type = type;
1011 a->u.ival = 0;
1012 return a;
1013 }
1014
1015 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1016 {
1017 attr_t *a = xmalloc(sizeof(attr_t));
1018 a->type = type;
1019 a->u.ival = val;
1020 return a;
1021 }
1022
1023 static attr_t *make_attrp(enum attr_type type, void *val)
1024 {
1025 attr_t *a = xmalloc(sizeof(attr_t));
1026 a->type = type;
1027 a->u.pval = val;
1028 return a;
1029 }
1030
1031 static expr_t *make_expr(enum expr_type type)
1032 {
1033 expr_t *e = xmalloc(sizeof(expr_t));
1034 e->type = type;
1035 e->ref = NULL;
1036 e->u.lval = 0;
1037 e->is_const = FALSE;
1038 e->cval = 0;
1039 return e;
1040 }
1041
1042 static expr_t *make_exprl(enum expr_type type, long val)
1043 {
1044 expr_t *e = xmalloc(sizeof(expr_t));
1045 e->type = type;
1046 e->ref = NULL;
1047 e->u.lval = val;
1048 e->is_const = FALSE;
1049 /* check for numeric constant */
1050 if (type == EXPR_NUM || type == EXPR_HEXNUM || type == EXPR_TRUEFALSE) {
1051 /* make sure true/false value is valid */
1052 assert(type != EXPR_TRUEFALSE || val == 0 || val == 1);
1053 e->is_const = TRUE;
1054 e->cval = val;
1055 }
1056 return e;
1057 }
1058
1059 static expr_t *make_exprd(enum expr_type type, double val)
1060 {
1061 expr_t *e = xmalloc(sizeof(expr_t));
1062 e->type = type;
1063 e->ref = NULL;
1064 e->u.dval = val;
1065 e->is_const = TRUE;
1066 e->cval = val;
1067 return e;
1068 }
1069
1070 static expr_t *make_exprs(enum expr_type type, char *val)
1071 {
1072 expr_t *e;
1073 e = xmalloc(sizeof(expr_t));
1074 e->type = type;
1075 e->ref = NULL;
1076 e->u.sval = val;
1077 e->is_const = FALSE;
1078 /* check for predefined constants */
1079 if (type == EXPR_IDENTIFIER) {
1080 var_t *c = find_const(val, 0);
1081 if (c) {
1082 e->u.sval = c->name;
1083 free(val);
1084 e->is_const = TRUE;
1085 e->cval = c->eval->cval;
1086 }
1087 }
1088 return e;
1089 }
1090
1091 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr)
1092 {
1093 expr_t *e;
1094 e = xmalloc(sizeof(expr_t));
1095 e->type = type;
1096 e->ref = expr;
1097 e->u.tref = tref;
1098 e->is_const = FALSE;
1099 /* check for cast of constant expression */
1100 if (type == EXPR_SIZEOF) {
1101 switch (tref->type) {
1102 case RPC_FC_BYTE:
1103 case RPC_FC_CHAR:
1104 case RPC_FC_SMALL:
1105 case RPC_FC_USMALL:
1106 e->is_const = TRUE;
1107 e->cval = 1;
1108 break;
1109 case RPC_FC_WCHAR:
1110 case RPC_FC_USHORT:
1111 case RPC_FC_SHORT:
1112 e->is_const = TRUE;
1113 e->cval = 2;
1114 break;
1115 case RPC_FC_LONG:
1116 case RPC_FC_ULONG:
1117 case RPC_FC_FLOAT:
1118 case RPC_FC_ERROR_STATUS_T:
1119 e->is_const = TRUE;
1120 e->cval = 4;
1121 break;
1122 case RPC_FC_HYPER:
1123 case RPC_FC_DOUBLE:
1124 e->is_const = TRUE;
1125 e->cval = 8;
1126 break;
1127 }
1128 }
1129 if (type == EXPR_CAST && expr->is_const) {
1130 e->is_const = TRUE;
1131 e->cval = expr->cval;
1132 }
1133 return e;
1134 }
1135
1136 static expr_t *make_expr1(enum expr_type type, expr_t *expr)
1137 {
1138 expr_t *e;
1139 e = xmalloc(sizeof(expr_t));
1140 e->type = type;
1141 e->ref = expr;
1142 e->u.lval = 0;
1143 e->is_const = FALSE;
1144 /* check for compile-time optimization */
1145 if (expr->is_const) {
1146 e->is_const = TRUE;
1147 switch (type) {
1148 case EXPR_NEG:
1149 e->cval = -expr->cval;
1150 break;
1151 case EXPR_NOT:
1152 e->cval = ~expr->cval;
1153 break;
1154 default:
1155 e->is_const = FALSE;
1156 break;
1157 }
1158 }
1159 return e;
1160 }
1161
1162 static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
1163 {
1164 expr_t *e;
1165 e = xmalloc(sizeof(expr_t));
1166 e->type = type;
1167 e->ref = expr1;
1168 e->u.ext = expr2;
1169 e->is_const = FALSE;
1170 /* check for compile-time optimization */
1171 if (expr1->is_const && expr2->is_const) {
1172 e->is_const = TRUE;
1173 switch (type) {
1174 case EXPR_ADD:
1175 e->cval = expr1->cval + expr2->cval;
1176 break;
1177 case EXPR_SUB:
1178 e->cval = expr1->cval - expr2->cval;
1179 break;
1180 case EXPR_MUL:
1181 e->cval = expr1->cval * expr2->cval;
1182 break;
1183 case EXPR_DIV:
1184 e->cval = expr1->cval / expr2->cval;
1185 break;
1186 case EXPR_OR:
1187 e->cval = expr1->cval | expr2->cval;
1188 break;
1189 case EXPR_AND:
1190 e->cval = expr1->cval & expr2->cval;
1191 break;
1192 case EXPR_SHL:
1193 e->cval = expr1->cval << expr2->cval;
1194 break;
1195 case EXPR_SHR:
1196 e->cval = expr1->cval >> expr2->cval;
1197 break;
1198 default:
1199 e->is_const = FALSE;
1200 break;
1201 }
1202 }
1203 return e;
1204 }
1205
1206 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3)
1207 {
1208 expr_t *e;
1209 e = xmalloc(sizeof(expr_t));
1210 e->type = type;
1211 e->ref = expr1;
1212 e->u.ext = expr2;
1213 e->ext2 = expr3;
1214 e->is_const = FALSE;
1215 /* check for compile-time optimization */
1216 if (expr1->is_const && expr2->is_const && expr3->is_const) {
1217 e->is_const = TRUE;
1218 switch (type) {
1219 case EXPR_COND:
1220 e->cval = expr1->cval ? expr2->cval : expr3->cval;
1221 break;
1222 default:
1223 e->is_const = FALSE;
1224 break;
1225 }
1226 }
1227 return e;
1228 }
1229
1230 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1231 {
1232 if (!expr) return list;
1233 if (!list)
1234 {
1235 list = xmalloc( sizeof(*list) );
1236 list_init( list );
1237 }
1238 list_add_tail( list, &expr->entry );
1239 return list;
1240 }
1241
1242 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1243 {
1244 if (!expr) return list;
1245 if (!list)
1246 {
1247 list = xmalloc( sizeof(*list) );
1248 list_init( list );
1249 }
1250 list_add_tail( list, &expr->entry );
1251 return list;
1252 }
1253
1254 static struct list type_pool = LIST_INIT(type_pool);
1255 typedef struct
1256 {
1257 type_t data;
1258 struct list link;
1259 } type_pool_node_t;
1260
1261 type_t *alloc_type(void)
1262 {
1263 type_pool_node_t *node = xmalloc(sizeof *node);
1264 list_add_tail(&type_pool, &node->link);
1265 return &node->data;
1266 }
1267
1268 void set_all_tfswrite(int val)
1269 {
1270 type_pool_node_t *node;
1271 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1272 node->data.tfswrite = val;
1273 }
1274
1275 static type_t *make_type(unsigned char type, type_t *ref)
1276 {
1277 type_t *t = alloc_type();
1278 t->name = NULL;
1279 t->kind = TKIND_PRIMITIVE;
1280 t->type = type;
1281 t->ref = ref;
1282 t->attrs = NULL;
1283 t->orig = NULL;
1284 t->funcs = NULL;
1285 t->fields = NULL;
1286 t->ifaces = NULL;
1287 t->dim = 0;
1288 t->size_is = NULL;
1289 t->length_is = NULL;
1290 t->typestring_offset = 0;
1291 t->ptrdesc = 0;
1292 t->declarray = FALSE;
1293 t->ignore = (parse_only != 0);
1294 t->is_const = FALSE;
1295 t->sign = 0;
1296 t->defined = FALSE;
1297 t->written = FALSE;
1298 t->user_types_registered = FALSE;
1299 t->tfswrite = FALSE;
1300 t->typelib_idx = -1;
1301 return t;
1302 }
1303
1304 static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr,
1305 int top)
1306 {
1307 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1308 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1309 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1310 int ptr_type = ptr_attr;
1311 int sizeless, has_varconf;
1312 expr_t *dim;
1313 type_t *atype, **ptype;
1314
1315 v->type = type;
1316
1317 if (!ptr_type && top)
1318 ptr_type = RPC_FC_RP;
1319
1320 for ( ; 0 < ptr_level; --ptr_level)
1321 {
1322 v->type = make_type(pointer_default, v->type);
1323 if (ptr_level == 1 && ptr_type && !arr)
1324 {
1325 v->type->type = ptr_type;
1326 ptr_type = 0;
1327 }
1328 }
1329
1330 if (ptr_type)
1331 {
1332 if (is_ptr(v->type))
1333 {
1334 if (v->type->type != ptr_type)
1335 {
1336 v->type = duptype(v->type, 1);
1337 v->type->type = ptr_type;
1338 }
1339 }
1340 else if (!arr && ptr_attr)
1341 error("%s: pointer attribute applied to non-pointer type\n", v->name);
1342 }
1343
1344 sizeless = FALSE;
1345 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1346 {
1347 if (sizeless)
1348 error("%s: only the first array dimension can be unspecified\n", v->name);
1349
1350 if (dim->is_const)
1351 {
1352 unsigned int align = 0;
1353 size_t size = type_memsize(v->type, &align);
1354
1355 if (dim->cval <= 0)
1356 error("%s: array dimension must be positive\n", v->name);
1357
1358 if (0xffffffffuL / size < (unsigned long) dim->cval)
1359 error("%s: total array size is too large\n", v->name);
1360 else if (0xffffuL < size * dim->cval)
1361 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1362 else
1363 v->type = make_type(RPC_FC_SMFARRAY, v->type);
1364 }
1365 else
1366 {
1367 sizeless = TRUE;
1368 v->type = make_type(RPC_FC_CARRAY, v->type);
1369 }
1370
1371 v->type->declarray = TRUE;
1372 v->type->dim = dim->cval;
1373 }
1374
1375 ptype = &v->type;
1376 has_varconf = FALSE;
1377 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1378 {
1379 if (dim->type != EXPR_VOID)
1380 {
1381 has_varconf = TRUE;
1382 atype = *ptype = duptype(*ptype, 0);
1383
1384 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1385 error("%s: cannot specify size_is for a fixed sized array\n", v->name);
1386
1387 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1388 error("%s: size_is attribute applied to illegal type\n", v->name);
1389
1390 atype->type = RPC_FC_CARRAY;
1391 atype->size_is = dim;
1392 }
1393
1394 ptype = &(*ptype)->ref;
1395 if (*ptype == NULL)
1396 error("%s: too many expressions in size_is attribute\n", v->name);
1397 }
1398
1399 ptype = &v->type;
1400 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1401 {
1402 if (dim->type != EXPR_VOID)
1403 {
1404 has_varconf = TRUE;
1405 atype = *ptype = duptype(*ptype, 0);
1406
1407 if (atype->type == RPC_FC_SMFARRAY)
1408 atype->type = RPC_FC_SMVARRAY;
1409 else if (atype->type == RPC_FC_LGFARRAY)
1410 atype->type = RPC_FC_LGVARRAY;
1411 else if (atype->type == RPC_FC_CARRAY)
1412 atype->type = RPC_FC_CVARRAY;
1413 else
1414 error("%s: length_is attribute applied to illegal type\n", v->name);
1415
1416 atype->length_is = dim;
1417 }
1418
1419 ptype = &(*ptype)->ref;
1420 if (*ptype == NULL)
1421 error("%s: too many expressions in length_is attribute\n", v->name);
1422 }
1423
1424 if (has_varconf && !last_array(v->type))
1425 {
1426 ptype = &v->type;
1427 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1428 {
1429 *ptype = duptype(*ptype, 0);
1430 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1431 }
1432 }
1433
1434 if (is_array(v->type))
1435 {
1436 const type_t *rt = v->type->ref;
1437 if (is_user_type(rt))
1438 v->type->type = RPC_FC_BOGUS_ARRAY;
1439 else
1440 switch (rt->type)
1441 {
1442 case RPC_FC_BOGUS_STRUCT:
1443 case RPC_FC_NON_ENCAPSULATED_UNION:
1444 case RPC_FC_ENCAPSULATED_UNION:
1445 case RPC_FC_ENUM16:
1446 v->type->type = RPC_FC_BOGUS_ARRAY;
1447 break;
1448 /* FC_RP should be above, but widl overuses these, and will break things. */
1449 case RPC_FC_UP:
1450 case RPC_FC_RP:
1451 if (rt->ref->type == RPC_FC_IP)
1452 v->type->type = RPC_FC_BOGUS_ARRAY;
1453 break;
1454 }
1455 }
1456 }
1457
1458 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1459 {
1460 if (!iface) return list;
1461 if (!list)
1462 {
1463 list = xmalloc( sizeof(*list) );
1464 list_init( list );
1465 }
1466 list_add_tail( list, &iface->entry );
1467 return list;
1468 }
1469
1470 static ifref_t *make_ifref(type_t *iface)
1471 {
1472 ifref_t *l = xmalloc(sizeof(ifref_t));
1473 l->iface = iface;
1474 l->attrs = NULL;
1475 return l;
1476 }
1477
1478 static var_list_t *append_var(var_list_t *list, var_t *var)
1479 {
1480 if (!var) return list;
1481 if (!list)
1482 {
1483 list = xmalloc( sizeof(*list) );
1484 list_init( list );
1485 }
1486 list_add_tail( list, &var->entry );
1487 return list;
1488 }
1489
1490 static var_t *make_var(char *name)
1491 {
1492 var_t *v = xmalloc(sizeof(var_t));
1493 v->name = name;
1494 v->type = NULL;
1495 v->args = NULL;
1496 v->attrs = NULL;
1497 v->eval = NULL;
1498 return v;
1499 }
1500
1501 static pident_list_t *append_pident(pident_list_t *list, pident_t *p)
1502 {
1503 if (!p) return list;
1504 if (!list) {
1505 list = xmalloc(sizeof(*list));
1506 list_init(list);
1507 }
1508 list_add_tail(list, &p->entry);
1509 return list;
1510 }
1511
1512 static pident_t *make_pident(var_t *var)
1513 {
1514 pident_t *p = xmalloc(sizeof(*p));
1515 p->var = var;
1516 p->ptr_level = 0;
1517 return p;
1518 }
1519
1520 static func_list_t *append_func(func_list_t *list, func_t *func)
1521 {
1522 if (!func) return list;
1523 if (!list)
1524 {
1525 list = xmalloc( sizeof(*list) );
1526 list_init( list );
1527 }
1528 list_add_tail( list, &func->entry );
1529 return list;
1530 }
1531
1532 static func_t *make_func(var_t *def, var_list_t *args)
1533 {
1534 func_t *f = xmalloc(sizeof(func_t));
1535 f->def = def;
1536 f->args = args;
1537 f->ignore = parse_only;
1538 f->idx = -1;
1539 return f;
1540 }
1541
1542 static type_t *make_class(char *name)
1543 {
1544 type_t *c = make_type(0, NULL);
1545 c->name = name;
1546 c->kind = TKIND_COCLASS;
1547 return c;
1548 }
1549
1550 static type_t *make_safearray(type_t *type)
1551 {
1552 type_t *sa = duptype(find_type("SAFEARRAY", 0), 1);
1553 sa->ref = type;
1554 return make_type(pointer_default, sa);
1555 }
1556
1557 #define HASHMAX 64
1558
1559 static int hash_ident(const char *name)
1560 {
1561 const char *p = name;
1562 int sum = 0;
1563 /* a simple sum hash is probably good enough */
1564 while (*p) {
1565 sum += *p;
1566 p++;
1567 }
1568 return sum & (HASHMAX-1);
1569 }
1570
1571 /***** type repository *****/
1572
1573 struct rtype {
1574 const char *name;
1575 type_t *type;
1576 int t;
1577 struct rtype *next;
1578 };
1579
1580 struct rtype *type_hash[HASHMAX];
1581
1582 static type_t *reg_type(type_t *type, const char *name, int t)
1583 {
1584 struct rtype *nt;
1585 int hash;
1586 if (!name) {
1587 error_loc("registering named type without name\n");
1588 return type;
1589 }
1590 hash = hash_ident(name);
1591 nt = xmalloc(sizeof(struct rtype));
1592 nt->name = name;
1593 nt->type = type;
1594 nt->t = t;
1595 nt->next = type_hash[hash];
1596 type_hash[hash] = nt;
1597 return type;
1598 }
1599
1600 static int is_incomplete(const type_t *t)
1601 {
1602 return !t->defined && (is_struct(t->type) || is_union(t->type));
1603 }
1604
1605 static void add_incomplete(type_t *t)
1606 {
1607 struct typenode *tn = xmalloc(sizeof *tn);
1608 tn->type = t;
1609 list_add_tail(&incomplete_types, &tn->entry);
1610 }
1611
1612 static void fix_type(type_t *t)
1613 {
1614 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1615 type_t *ot = t->orig;
1616 fix_type(ot);
1617 t->fields = ot->fields;
1618 t->defined = ot->defined;
1619 }
1620 }
1621
1622 static void fix_incomplete(void)
1623 {
1624 struct typenode *tn, *next;
1625
1626 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1627 fix_type(tn->type);
1628 free(tn);
1629 }
1630 }
1631
1632 static type_t *reg_typedefs(type_t *type, pident_list_t *pidents, attr_list_t *attrs)
1633 {
1634 type_t *ptr = type;
1635 const pident_t *pident;
1636 int ptrc = 0;
1637 int is_str = is_attr(attrs, ATTR_STRING);
1638 unsigned char ptr_type = get_attrv(attrs, ATTR_POINTERTYPE);
1639
1640 if (is_str)
1641 {
1642 type_t *t = type;
1643 unsigned char c;
1644
1645 while (is_ptr(t))
1646 t = t->ref;
1647
1648 c = t->type;
1649 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1650 {
1651 pident = LIST_ENTRY( list_head( pidents ), const pident_t, entry );
1652 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1653 pident->var->name);
1654 }
1655 }
1656
1657 /* We must generate names for tagless enum, struct or union.
1658 Typedef-ing a tagless enum, struct or union means we want the typedef
1659 to be included in a library whether it has other attributes or not,
1660 hence the public attribute. */
1661 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1662 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1663 {
1664 if (! is_attr(attrs, ATTR_PUBLIC))
1665 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1666 type->name = gen_name();
1667 }
1668
1669 LIST_FOR_EACH_ENTRY( pident, pidents, const pident_t, entry )
1670 {
1671 var_t *name = pident->var;
1672
1673 if (name->name) {
1674 type_t *cur = ptr;
1675 int cptr = pident->ptr_level;
1676 if (cptr > ptrc) {
1677 while (cptr > ptrc) {
1678 cur = ptr = make_type(pointer_default, cur);
1679 ptrc++;
1680 }
1681 } else {
1682 while (cptr < ptrc) {
1683 cur = cur->ref;
1684 cptr++;
1685 }
1686 }
1687 cur = alias(cur, name->name);
1688 cur->attrs = attrs;
1689 if (ptr_type)
1690 {
1691 if (is_ptr(cur))
1692 cur->type = ptr_type;
1693 else
1694 error_loc("'%s': pointer attribute applied to non-pointer type\n",
1695 cur->name);
1696 }
1697 else if (is_str && ! is_ptr(cur))
1698 error_loc("'%s': [string] attribute applied to non-pointer type\n",
1699 cur->name);
1700
1701 if (is_incomplete(cur))
1702 add_incomplete(cur);
1703 reg_type(cur, cur->name, 0);
1704 }
1705 }
1706 return type;
1707 }
1708
1709 static type_t *find_type(const char *name, int t)
1710 {
1711 struct rtype *cur = type_hash[hash_ident(name)];
1712 while (cur && (cur->t != t || strcmp(cur->name, name)))
1713 cur = cur->next;
1714 if (!cur) {
1715 error_loc("type '%s' not found\n", name);
1716 return NULL;
1717 }
1718 return cur->type;
1719 }
1720
1721 static type_t *find_type2(char *name, int t)
1722 {
1723 type_t *tp = find_type(name, t);
1724 free(name);
1725 return tp;
1726 }
1727
1728 int is_type(const char *name)
1729 {
1730 struct rtype *cur = type_hash[hash_ident(name)];
1731 while (cur && (cur->t || strcmp(cur->name, name)))
1732 cur = cur->next;
1733 if (cur) return TRUE;
1734 return FALSE;
1735 }
1736
1737 static type_t *get_type(unsigned char type, char *name, int t)
1738 {
1739 struct rtype *cur = NULL;
1740 type_t *tp;
1741 if (name) {
1742 cur = type_hash[hash_ident(name)];
1743 while (cur && (cur->t != t || strcmp(cur->name, name)))
1744 cur = cur->next;
1745 }
1746 if (cur) {
1747 free(name);
1748 return cur->type;
1749 }
1750 tp = make_type(type, NULL);
1751 tp->name = name;
1752 if (!name) return tp;
1753 return reg_type(tp, name, t);
1754 }
1755
1756 static type_t *get_typev(unsigned char type, var_t *name, int t)
1757 {
1758 char *sname = NULL;
1759 if (name) {
1760 sname = name->name;
1761 free(name);
1762 }
1763 return get_type(type, sname, t);
1764 }
1765
1766 static int get_struct_type(var_list_t *fields)
1767 {
1768 int has_pointer = 0;
1769 int has_conformance = 0;
1770 int has_variance = 0;
1771 var_t *field;
1772
1773 if (get_padding(fields))
1774 return RPC_FC_BOGUS_STRUCT;
1775
1776 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1777 {
1778 type_t *t = field->type;
1779
1780 if (is_user_type(t))
1781 return RPC_FC_BOGUS_STRUCT;
1782
1783 if (is_ptr(t))
1784 {
1785 do
1786 t = t->ref;
1787 while (is_ptr(t));
1788
1789 switch (t->type)
1790 {
1791 case RPC_FC_IP:
1792 case RPC_FC_ENCAPSULATED_UNION:
1793 case RPC_FC_NON_ENCAPSULATED_UNION:
1794 case RPC_FC_BOGUS_STRUCT:
1795 return RPC_FC_BOGUS_STRUCT;
1796 }
1797
1798 has_pointer = 1;
1799 continue;
1800 }
1801
1802 if (field->type->declarray)
1803 {
1804 if (is_string_type(field->attrs, field->type))
1805 {
1806 if (is_conformant_array(field->type))
1807 has_conformance = 1;
1808 has_variance = 1;
1809 continue;
1810 }
1811
1812 if (is_array(field->type->ref))
1813 return RPC_FC_BOGUS_STRUCT;
1814
1815 if (is_conformant_array(field->type))
1816 {
1817 has_conformance = 1;
1818 if (field->type->declarray && list_next(fields, &field->entry))
1819 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
1820 field->name);
1821 }
1822 if (field->type->length_is)
1823 has_variance = 1;
1824
1825 t = field->type->ref;
1826 }
1827
1828 switch (t->type)
1829 {
1830 /*
1831 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
1832 * Simple types don't effect the type of struct.
1833 * A struct containing a simple struct is still a simple struct.
1834 * So long as we can block copy the data, we return RPC_FC_STRUCT.
1835 */
1836 case 0: /* void pointer */
1837 case RPC_FC_BYTE:
1838 case RPC_FC_CHAR:
1839 case RPC_FC_SMALL:
1840 case RPC_FC_USMALL:
1841 case RPC_FC_WCHAR:
1842 case RPC_FC_SHORT:
1843 case RPC_FC_USHORT:
1844 case RPC_FC_LONG:
1845 case RPC_FC_ULONG:
1846 case RPC_FC_INT3264:
1847 case RPC_FC_UINT3264:
1848 case RPC_FC_HYPER:
1849 case RPC_FC_FLOAT:
1850 case RPC_FC_DOUBLE:
1851 case RPC_FC_STRUCT:
1852 case RPC_FC_ENUM16:
1853 case RPC_FC_ENUM32:
1854 break;
1855
1856 case RPC_FC_RP:
1857 case RPC_FC_UP:
1858 case RPC_FC_FP:
1859 case RPC_FC_OP:
1860 case RPC_FC_CARRAY:
1861 case RPC_FC_CVARRAY:
1862 case RPC_FC_BOGUS_ARRAY:
1863 has_pointer = 1;
1864 break;
1865
1866 /*
1867 * Propagate member attributes
1868 * a struct should be at least as complex as its member
1869 */
1870 case RPC_FC_CVSTRUCT:
1871 has_conformance = 1;
1872 has_variance = 1;
1873 has_pointer = 1;
1874 break;
1875
1876 case RPC_FC_CPSTRUCT:
1877 has_conformance = 1;
1878 if (list_next( fields, &field->entry ))
1879 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
1880 field->name);
1881 has_pointer = 1;
1882 break;
1883
1884 case RPC_FC_CSTRUCT:
1885 has_conformance = 1;
1886 if (list_next( fields, &field->entry ))
1887 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
1888 field->name);
1889 break;
1890
1891 case RPC_FC_PSTRUCT:
1892 has_pointer = 1;
1893 break;
1894
1895 default:
1896 error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, t->type);
1897 /* fallthru - treat it as complex */
1898
1899 /* as soon as we see one of these these members, it's bogus... */
1900 case RPC_FC_ENCAPSULATED_UNION:
1901 case RPC_FC_NON_ENCAPSULATED_UNION:
1902 case RPC_FC_BOGUS_STRUCT:
1903 return RPC_FC_BOGUS_STRUCT;
1904 }
1905 }
1906
1907 if( has_variance )
1908 {
1909 if ( has_conformance )
1910 return RPC_FC_CVSTRUCT;
1911 else
1912 return RPC_FC_BOGUS_STRUCT;
1913 }
1914 if( has_conformance && has_pointer )
1915 return RPC_FC_CPSTRUCT;
1916 if( has_conformance )
1917 return RPC_FC_CSTRUCT;
1918 if( has_pointer )
1919 return RPC_FC_PSTRUCT;
1920 return RPC_FC_STRUCT;
1921 }
1922
1923 /***** constant repository *****/
1924
1925 struct rconst {
1926 char *name;
1927 var_t *var;
1928 struct rconst *next;
1929 };
1930
1931 struct rconst *const_hash[HASHMAX];
1932
1933 static var_t *reg_const(var_t *var)
1934 {
1935 struct rconst *nc;
1936 int hash;
1937 if (!var->name) {
1938 error_loc("registering constant without name\n");
1939 return var;
1940 }
1941 hash = hash_ident(var->name);
1942 nc = xmalloc(sizeof(struct rconst));
1943 nc->name = var->name;
1944 nc->var = var;
1945 nc->next = const_hash[hash];
1946 const_hash[hash] = nc;
1947 return var;
1948 }
1949
1950 static var_t *find_const(char *name, int f)
1951 {
1952 struct rconst *cur = const_hash[hash_ident(name)];
1953 while (cur && strcmp(cur->name, name))
1954 cur = cur->next;
1955 if (!cur) {
1956 if (f) error_loc("constant '%s' not found\n", name);
1957 return NULL;
1958 }
1959 return cur->var;
1960 }
1961
1962 static void write_libid(const char *name, const attr_list_t *attr)
1963 {
1964 const UUID *uuid = get_attrp(attr, ATTR_UUID);
1965 write_guid(idfile, "LIBID", name, uuid);
1966 }
1967
1968 static void write_clsid(type_t *cls)
1969 {
1970 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
1971 write_guid(idfile, "CLSID", cls->name, uuid);
1972 }
1973
1974 static void write_diid(type_t *iface)
1975 {
1976 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1977 write_guid(idfile, "DIID", iface->name, uuid);
1978 }
1979
1980 static void write_iid(type_t *iface)
1981 {
1982 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1983 write_guid(idfile, "IID", iface->name, uuid);
1984 }
1985
1986 static int compute_method_indexes(type_t *iface)
1987 {
1988 int idx;
1989 func_t *f;
1990
1991 if (iface->ref)
1992 idx = compute_method_indexes(iface->ref);
1993 else
1994 idx = 0;
1995
1996 if (!iface->funcs)
1997 return idx;
1998
1999 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
2000 if (! is_callas(f->def->attrs))
2001 f->idx = idx++;
2002
2003 return idx;
2004 }
2005
2006 static char *gen_name(void)
2007 {
2008 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2009 static unsigned long n = 0;
2010 static const char *file_id;
2011 static size_t size;
2012 char *name;
2013
2014 if (! file_id)
2015 {
2016 char *dst = dup_basename(input_name, ".idl");
2017 file_id = dst;
2018
2019 for (; *dst; ++dst)
2020 if (! isalnum((unsigned char) *dst))
2021 *dst = '_';
2022
2023 size = sizeof format - 7 + strlen(file_id) + 8;
2024 }
2025
2026 name = xmalloc(size);
2027 sprintf(name, format, file_id, n++);
2028 return name;
2029 }
2030
2031 static void process_typedefs(pident_list_t *pidents)
2032 {
2033 pident_t *pident, *next;
2034
2035 if (!pidents) return;
2036 LIST_FOR_EACH_ENTRY_SAFE( pident, next, pidents, pident_t, entry )
2037 {
2038 var_t *var = pident->var;
2039 type_t *type = find_type(var->name, 0);
2040
2041 if (! parse_only && do_header)
2042 write_typedef(type);
2043 if (in_typelib && type->attrs)
2044 add_typelib_entry(type);
2045
2046 free(pident);
2047 free(var);
2048 }
2049 }
2050
2051 static void check_arg(var_t *arg)
2052 {
2053 type_t *t = arg->type;
2054
2055 if (t->type == 0 && ! is_var_ptr(arg))
2056 error_loc("argument '%s' has void type\n", arg->name);
2057 }
2058
2059 static void check_all_user_types(ifref_list_t *ifrefs)
2060 {
2061 const ifref_t *ifref;
2062 const func_t *f;
2063
2064 if (ifrefs) LIST_FOR_EACH_ENTRY(ifref, ifrefs, const ifref_t, entry)
2065 {
2066 const func_list_t *fs = ifref->iface->funcs;
2067 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
2068 check_for_user_types_and_context_handles(f->args);
2069 }
2070 }
2071
2072 int is_valid_uuid(const char *s)
2073 {
2074 int i;
2075
2076 for (i = 0; i < 36; ++i)
2077 if (i == 8 || i == 13 || i == 18 || i == 23)
2078 {
2079 if (s[i] != '-')
2080 return FALSE;
2081 }
2082 else
2083 if (!isxdigit(s[i]))
2084 return FALSE;
2085
2086 return s[i] == '\0';
2087 }
Quick hack tree for wine patches julliard doesn't want to commit